4-(Methylnitrosamino)-1-(3-pyridyl)-1-butanone , 1000 μg/mL in MeOH

2,3,5,6-Tetrachlorophenol

2,3,5,6-四氯苯酚

Iron AA Standard,1000 μg/mL in 2-5% Nitric Acid

�?原子吸收标准�?000ppmHNO3)

Vanadium AA Standard,1000 μg/mL in 2-5% Nitric Acid

农药混标16, Pesticide Mix 16,10.0 μg/mL in Ethyl acetate

PCB 14种混�? PCB Congeners Mix 3,10 μg/mL in Isooctane

多环芳烃混标, PAH Mix 2,Varied conc. in Acetonitrile

杀虫剂混标(六六六五种混�?, Pesticide Mix 26,1.0 μg/mL in Cyclohexane

多氯联苯7种混�?28�?2�?01�?18�?38�?53�?80), PCB Congener Content Evaluation Revised Mix 1,10 μg/mL in Isooctane

多氯联苯7种混�? Congener Calibration Mix #8,10 μg/mL in Isooctane

环境检测标准品, Environmental Calibration Standard,Varied conc. in 10% Nitric acid